The star (and cowriter) of this month's Celeste and Jesse Forever leads a double life in L.A.: one in front of the camera, another behind the scenes.

It's Go Time

It's Go Time

"When I'm filming Parks and Recreation, I get to the set by 5:30 a.m. I wake up mad early, fire up my Nespresso machine, and hit the road. The first thing I do on set is turn on the heat in my trailer, then head to the makeup chair. I could be at work until 7 p.m."